Question

3. If [3m² +(3m)²)m=1/81
then the value of m is
81​

Answer 1

Answer:

m=9.905

Step-by-step explanation:

$3 {m}^{2} + 9 {m}^{2} = \frac{1}{81m} \\ 12 {m}^{3} = \frac{1}{81} \\ {m}^{3 } = \frac{1}{81 \times 12} \\ m = \frac{1}{ \sqrt[3]{81 \times 12} } \\ m = 9.905$